html {
  height: 100%
}
body {
  font-family: verdana, sans-serif;
  width: 800px;
  margin: auto;
  background: -webkit-gradient(linear, left top, left bottom, from(#bbf), to(#fff), color-stop(.5, #fff))
              no-repeat;
}
#header {
  display: none; /* shown after loading completes */
  margin: 50px 0;
  background: url('../../img/icon48.png') no-repeat;
  padding-top: 5px;
  padding-left: 55px;
  z-index: 10;
}
h1 {
  margin: 0;
  padding-bottom: 5px;
}
h2 {
  margin-top: 0px;
}
.card {
  /* works in Safari (Windows at least) */
  background: -webkit-gradient(radial, 15% 25%, 20, 15% 25%, 700, from(#fff), to(#ddf));
  /* even better in Chrome, get 100% spread instead of a fixed pixel value */
  background: -webkit-radial-gradient(15% 25%, circle, #fff 20px, #ddf 100%);
  position: absolute; /* so it can slide */
  padding: 20px 40px;
  border-radius: 30px;
  border: 1px solid white;
  -webkit-box-shadow: 2px 2px 5px gray;
  display: none; /* we show each one as it arrives */
}
.nav {
  float: right;
  clear:both;
  margin: 5px auto;
}
.nav a {
  border: 1px solid gray;
  border-radius: 15px;
  background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#ccf));
  -webkit-box-shadow: 1px 1px 5px #AAA;
  padding: 5px 10px;
  float:left;
  margin-left: 45px;
  font-size: 20px;
  text-decoration: none;
  font-weight: bold;
  font-family: Georgia;
  color: #33D;
}
.nav a:hover {
  background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#ddf));
}
.nav a:active {
  background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#aad));
}
#safari-loading-progress {
  width: 0%;
  height: 100%;
  background-color: rgb(64, 141, 248);
}
#loading-wrapper {
  top: 50px; /* not in same place as other cards */
  left: 170px;
  position: relative;
}
#loading-wrapper #cleaner-warning {
  margin-top: 20px;
  margin-left: 20px;
}
#loading-wrapper #cleaner-warning a {
  font-size: small;
  color: #999;
  font-style: italic;
}
#loading.card {
  display: block; /* unlike other cards, this one is shown */
  position: static;
  width: 280px;
}
#loading.card progress {
  width: 100%;
}
#start-safari.card {
  width: 530px;
}
#start-chrome.card {
  width: 600px;
}
#autoupdate-howto.card {
  width: 700px;
}
#autoupdate-howto.card ol li {
  margin-bottom: 1.5em;
}
#howto.card {
  width: 500px;
}
#howto.card img {
  vertical-align: bottom;
}
